Vegetable crop yields and the number of vegetable plants to grow for each person in your household will help you estimate the space needed for a home vegetable garden.
Crop yield estimates and consumption predictions are largely based on experience. Keeping a food log and garden record can help you hone your vegetable garden needs and make for smarter planning.
Read more here: https://harvesttotable.com/vegetable_crop_yields_plants_p/
Yields and spacing from Cornell
Cornell vegetables
https://www.vegetables.cornell.edu/